<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			.red{
				color: red;
			}
			.blue{
				color: blue;
			}
			.yellow{
				color: yellow;
			}
		</style>
	</head>
	<body>
		<h1 class="red">王老师</h1>
		<h1 class="blue">朱老师</h1>
		<h1 class="yellow">鞠老师</h1>
	</body>
</html>
